AKD7600-A Datasheet, PDF (18/45 Pages) Asahi Kasei Microsystems – AK7600VF Evaluation Board Rev.1

[AKD7600-A]
F-ATT, R-ATT, N-ATT
Amplify or regulate each Front (L1, R1), Rear (L2, R2) and SW (L3, R3) X’Over filter input data.
<< 1
<< 1
Figure 12 F-ATT, R-ATT, and N-ATT
Command
47H
Shift Setting(Multiple)
Data 1 (2byte) Front ATT setting coefficient
1bit left (x2)
Data 2 (2byte) Rear ATT setting coefficient
1bit left (x2)
Data 3 (2byte) SW(NF) ATT setting coefficient 1bit left (x2)
Data 4 (2byte) Dummy
1bit left (x2)
Data 5 (2byte) Dummy
1bit left (x2)
(Note) All data are R/W.
Table 16 F-ATT, R-ATT, and N-ATT
R/W Default Value
R/W 0x4000
R/W 0x4000
R/W 0x4000
R/W 0x0000
R/W 0x0000
X’Over filter (HPF & LPF)
First step
A0
HPF1-1
HPF2-1
LPF-1
Second step
A0
HPF1-2
HPF2-2
LPF-2
Z^-1
n
A1
Z^-1
A2
Z^-1
B1
A1
Z^-1
B2
A2
Z^-1
B1
Z^-1
B2
Command
Data 1 (4byte)
Data 2 (4byte)
Data 3 (4byte)
Data 4 (4byte)
Data 5 (4byte)
Command
Data 1 (4byte)
Data 2 (4byte)
Data 3 (4byte)
Data 4 (4byte)
Data 5 (4byte)
Figure 13 X’Over Filter
84H
HPF1-1 A2 Coefficient
HPF1-1 A1 Coefficient
HPF1-1 A0 Coefficient
HPF1-1 B2 Coefficient
HPF1-1 B1 Coefficient
Shift Setting(Multiple) R/W Default Value
1bit left (x2)
R/W 0x00000000
1bit left (x2)
R/W 0x00000000
1bit left (x2)
R/W 0x04000000
1bit left (x2)
R/W 0x00000000
1bit left (x2)
R/W 0x00000000
85H
HPF1-2 A2 Coefficient
HPF1-2 A1 Coefficient
HPF1-2 A0 Coefficient
HPF1-2 B2 Coefficient
HPF1-2 B1 Coefficient
Shift Setting(Multiple) R/W Default Value
1bit left (x2)
R/W 0x00000000
1bit left (x2)
R/W 0x00000000
1bit left (x2)
R/W 0x04000000
1bit left (x2)
R/W 0x00000000
1bit left (x2)
R/W 0x00000000
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2008/04